C sharp Event is not working

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{

    class Program
    {
        static void Main(string[] args)
        {
            Person NewPerson = new Person();
            NewPerson.AddCash(150);
           NewPerson.Myevent += NewPerson_Myevent;

       }

        static void NewPerson_Myevent()
        {
            Console.WriteLine("Hello New Person");
        }

    }
    public class Person
    {
        public delegate void MyeventHandler();
        public event MyeventHandler Myevent;

        private int _cash = 50;
        public int Cash
        {
            get
            {
                return this._cash;
            }
            set
            {
                this._cash = value;
                if (this._cash >= 100)
                {
                    if (Myevent != null)
                    {
                        Myevent();
                    }
                }

            }

        }
        public void AddCash(int money)
        {
           Cash += money;
        }
    }
}